projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| d94e2462 M |
1 | # |
| 2 | /* | |
| 3 | * | |
| 4 | * UNIX debugger - common definitions | |
| 5 | * | |
| 6 | */ | |
| 7 | ||
| 8 | ||
| 9 | ||
| 10 | /* Layout of a.out file (fsym): | |
| 11 | * | |
| 12 | * header of 8 words magic number 405, 407, 410, 411 | |
| 13 | * text size ) | |
| 14 | * data size ) in bytes but even | |
| 15 | * bss size ) | |
| 16 | * symbol table size | |
| 17 | * entry point | |
| 18 | * {unused} | |
| 19 | * flag set if no relocation | |
| 20 | * | |
| 21 | * | |
| 22 | * header: 0 | |
| 23 | * text: 16 | |
| 24 | * data: 16+textsize | |
| 25 | * relocation: 16+textsize+datasize | |
| 26 | * symbol table: 16+2*(textsize+datasize) or 16+textsize+datasize | |
| 27 | * | |
| 28 | */ | |
| 29 | ||
| 30 | ||
| 31 | #include <sys/param.h> | |
| 32 | #include <sys/dir.h> | |
| 33 | #include <sys/reg.h> | |
| 34 | #include <sys/user.h> | |
| 35 | #include <sgtty.h> | |
| 36 | #include "mac.h" | |
| 37 | #include "mode.h" | |
| 38 | ||
| 39 | ||
| 40 | #define VARB 11 | |
| 41 | #define VARD 13 | |
| 42 | #define VARE 14 | |
| 43 | #define VARM 22 | |
| 44 | #define VARS 28 | |
| 45 | #define VART 29 | |
| 46 | ||
| 47 | #define COREMAGIC 0140000 | |
| 48 | ||
| 49 | #define RD 0 | |
| 50 | #define WT 1 | |
| 51 | #define NSP 0 | |
| 52 | #define ISP 1 | |
| 53 | #define DSP 2 | |
| 54 | #define STAR 4 | |
| 55 | #define STARCOM 0200 | |
| 56 | #define DSYM 7 | |
| 57 | #define ISYM 2 | |
| 58 | #define ASYM 1 | |
| 59 | #define NSYM 0 | |
| 60 | #define ESYM (-1) | |
| 61 | #define BKPTSET 1 | |
| 62 | #define BKPTEXEC 2 | |
| 63 | #define SYMSIZ 100 | |
| 64 | #define MAXSIG 20 | |
| 65 | ||
| 66 | #define USERPS 2*(512-1) | |
| 67 | #define USERPC 2*(512-2) | |
| 68 | #define BPT 03 | |
| 69 | #define FD 0200 | |
| 70 | #define SETTRC 0 | |
| 71 | #define RDUSER 2 | |
| 72 | #define RIUSER 1 | |
| 73 | #define WDUSER 5 | |
| 74 | #define WIUSER 4 | |
| 75 | #define RUREGS 3 | |
| 76 | #define WUREGS 6 | |
| 77 | #define CONTIN 7 | |
| 78 | #define SINGLE 9 | |
| 79 | #define EXIT 8 | |
| 80 | ||
| 81 | #define FROFF (&(0->fpsr)) | |
| 82 | #define FRLEN 25 | |
| 83 | #define FRMAX 6 | |
| 84 | ||
| 85 | #define ps -1 | |
| 86 | #define pc -2 | |
| 87 | #define sp -6 | |
| 88 | #define r5 -9 | |
| 89 | #define r4 -10 | |
| 90 | #define r3 -11 | |
| 91 | #define r2 -12 | |
| 92 | #define r1 -5 | |
| 93 | #define r0 -3 | |
| 94 | ||
| 95 | #define MAXOFF 255 | |
| 96 | #define MAXPOS 80 | |
| 97 | #define MAXLIN 128 | |
| 98 | #define EOF 0 | |
| 99 | #define EOR '\n' | |
| 100 | #define TB '\t' | |
| 101 | #define QUOTE 0200 | |
| 102 | #define STRIP 0177 | |
| 103 | #define LOBYTE 0377 | |
| 104 | #define EVEN -2 | |
| 105 | ||
| 106 | ||
| 107 | /* long to ints and back (puns) */ | |
| 108 | union { | |
| 109 | INT I[2]; | |
| 110 | L_INT L; | |
| 111 | } itolws; | |
| 112 | ||
| 113 | #define leng(a) ((long)((unsigned)(a))) | |
| 114 | #define shorten(a) ((int)(a)) | |
| 115 | #define itol(a,b) (itolws.I[0]=(a), itolws.I[1]=(b), itolws.L) | |
| 116 | ||
| 117 | ||
| 118 | ||
| 119 | /* result type declarations */ | |
| 120 | L_INT inkdot(); | |
| 121 | SYMPTR lookupsym(); | |
| 122 | SYMPTR symget(); | |
| 123 | POS get(); | |
| 124 | POS chkget(); | |
| 125 | STRING exform(); | |
| 126 | L_INT round(); | |
| 127 | BKPTR scanbkpt(); | |
| 128 | VOID fault(); | |
| 129 | ||
| 130 | typedef struct sgttyb TTY; | |
| 131 | TTY adbtty, usrtty; | |
| 132 | #include <setjmp.h> | |
| 133 | jmp_buf erradb; |